RFR: 8360707: Globally enumerate all blobs, stubs and entries

[Amit Kumar]

On Mon, 30 Jun 2025 16:14:44 GMT, Andrew Dinn <adinn at openjdk.org> wrote:

> The System.err output in the jtr file contained [MachCode] sections for 4 compiled methods, including the two that appeared in the stack listing (crashInJava3 and crashInJava2). So, I'm not sure why it is failing.
>
>n.b. not all the System.err output ends up in the jtr file because the test harness truncates excessive output. However, I wonder if the problem you are seeing is because the original hserr file is being truncated. It includes a message to that effect starting "Output overflow: ..."


@adinn is this something which is expected:

Stack: [0x000003ff82980000,0x000003ff82a80000],  sp=0x000003ff82a7e4c8,  free space=1017k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
J 21 c2 MachCodeFramesInErrorFile$Crasher.crashInJava3(J)V (27 bytes) @ 0x000003ff70657c8a [0x000003ff70657c40+0x000000000000004a]
J 20 c2 MachCodeFramesInErrorFile$Crasher.crashInJava2(J)V (13 bytes) @ 0x000003ff706580c0 [0x000003ff70658040+0x0000000000000080]
j  MachCodeFramesInErrorFile$Crasher.crashInJava1(J)V+9
j  MachCodeFramesInErrorFile$Crasher.main([Ljava/lang/String;)V+71
v  ~StubRoutines::Stub Generator call_stub_stub 0x000003ff70580edc

[error occurred during error reporting (printing native stack (with source info)), id 0xe0000000, Internal Error (/home/amit/jdk/src/hotspot/cpu/s390/frame_s390.inline.hpp:40)]

Retrying call stack printing without source information...


I don't see any truncation message in the hs_err output.

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PR Comment: https://git.openjdk.org/jdk/pull/26004#issuecomment-3022029790